Zhang Nana

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  • Zhang Nana
  • 2010
A project for extracting suspicious packages from surveillance video programs is proposed in this paper. Three methods: improved RGB deduction, improved Hidden Markov Model and template matching, were used in this detecting and recognizing process. A simulate environment where a man with a parcel walking at the entrance of subway was set up for testing. A(More)
  • Zhang Nana
  • 2016
This paper presents a blind digital watermarking algorithm based on spatial images. We study the theory and characteristic of singular value, scrambling the serial digital watermark images again which mapped out through the chaotic sequence. We divided the original carrier image into blocks, and deal with each small block with the singular value(More)
The statement of universal design transcends original idea of product design, and it is a design concept which is full of love and consideration. Along with continuous improvement of the socio-economic level, Home bathroom products, as main components of four functional and characteristic regions in home residential environment, are closely related with our(More)
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